Home / 13,691,591.69-18,894,401.12-7,497,030.21

Finding the Fourth Proportional to 13,691,591.69, 18,894,401.12 and 7,497,030.21

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Solution

The fourth proportional to 13,691,591.69, 18,894,401.12 and 7,497,030.21 is: 10,345,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,591.69 : 18,894,401.12 = 7,497,030.21 : x
  2. Step 2: Convert to fraction form
    13,691,591.69/18,894,401.12 = 7,497,030.21/x
  3. Step 3: Cross multiply
    13,691,591.69x = 18,894,401.12 × 7,497,030.21
  4. Step 4: Simplify right side
    13,691,591.69x = 141,651,895,959,012.66
  5. Step 5: Solve for x
    x = 141,651,895,959,012.66/13,691,591.69
  6. Step 6: Final answer
    x = 10,345,904.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.